Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2023 05:21

General

  • Target

    a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe

  • Size

    757KB

  • MD5

    5b2316e0de053c0ea283feb45f564b03

  • SHA1

    293592f072e497f8615b01a24c228632d4e58c32

  • SHA256

    a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708

  • SHA512

    dadb8a87e4b2f65a87a369bb03e969d84086a3e188df1e4d96d32cfac205d46a7fa5a45011d3fb1b3a3d4b62c86b4bc72723e8374530d4f7964bc96e2d1dcc27

  • SSDEEP

    12288:fJqn9IpNUQjic/mvxs+l1p8Gip6QnDAsxagLsHNy0CHqIBoDIirBD2Gr:f2I9eZvxpDp7Wmty5F6BD2

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .miqe

  • offline_id

    1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-nSxayRgUNO Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0746Pokj

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.7

Botnet

https://t.me/eagl3z

C2

https://t.me/eagl3z

https://steamcommunity.com/profiles/76561199159550234

Attributes
  • profile_id_v2

    https://t.me/eagl3z

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq

Signatures

  • Detected Djvu ransomware 18 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe
    "C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe
      "C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\f75fd25c-e285-4e79-a1c1-e8eadd07e522" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1084
      • C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe
        "C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe
          "C:\Users\Admin\AppData\Local\Temp\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe
            "C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:632
            • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe
              "C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1424
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3808
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:704
          • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build3.exe
            "C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1432
            • C:\Windows\SysWOW64\schtasks.exe
              /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
              6⤵
              • Creates scheduled task(s)
              PID:4364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    2KB

    MD5

    b4c12064e247e370b92a8f22493b2fef

    SHA1

    d8acac75a779d2c93506bed80394a39afe78f140

    SHA256

    07f48640ca434eb9e97c4a3057b009033f32033d4102afd704c795a3cc1f76cf

    SHA512

    9acf2c338e1a50458f1153b23d6324212eb28628f91bb128e2390a440c84a8b350a006ee03116fec48d88eff96da9f8deca9bf56dd6d68ad6260a1ff7570e820

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    1KB

    MD5

    78aac50b5b68a11cdae8b65d89b52ec4

    SHA1

    a120be30f044e1a0aba57036f531b0a7c9410381

    SHA256

    2206d3ae67c8de46a666df23700554523456a745a3ef1dd18093d4d9e9bfd5de

    SHA512

    d1c0e061a96972d921f4cd39e7d56ecfc50a9bcf5c598615ca8226aa7b06376dd6a4835b72a66f634abef24b7fb596dd4e015b7732db9b4ea09110b027259e53

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    488B

    MD5

    90879104cdd63fc8a86d1831d3b11411

    SHA1

    18a89186a42d804146b0a76866570500bae57070

    SHA256

    d3e38c641230f9f308d9069ae563a55aedc7f7a543b1245255f30ea9ab929eca

    SHA512

    f7df5d0185abc32f4964d425285387f65db0935a8b46dd783b5b7181d0d227c20f26f33b92f0ec2a710ce65e7c1ac47cd4e8017db1d06adb46dafbcce4b4f88d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    482B

    MD5

    0a53ec50de0d8c882c64f12ade92b302

    SHA1

    537e0fb0960830ebced1871b26df17adfae0172b

    SHA256

    053c8b3778386796ef0cdb7cb2acd6a575217a714174e3c4560b63f1c09d63ac

    SHA512

    153797847e36abb330feab8e15e560e6640bbf7a3797389e89ab5188fd9ccda4bce47e5190146745077320d40e151ab25b28311f0021eb0f367da74c01e32cc4

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\7db7cc5b-e38c-4630-9846-6b4ac93c4645\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\f75fd25c-e285-4e79-a1c1-e8eadd07e522\a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708.exe

    Filesize

    757KB

    MD5

    5b2316e0de053c0ea283feb45f564b03

    SHA1

    293592f072e497f8615b01a24c228632d4e58c32

    SHA256

    a857e897b564d7d8686777dca3edd820a8f3ec35cc6b53f765bf12eaf97ed708

    SHA512

    dadb8a87e4b2f65a87a369bb03e969d84086a3e188df1e4d96d32cfac205d46a7fa5a45011d3fb1b3a3d4b62c86b4bc72723e8374530d4f7964bc96e2d1dcc27

  • memory/632-185-0x0000000000670000-0x00000000006FD000-memory.dmp

    Filesize

    564KB

  • memory/632-184-0x0000000000750000-0x0000000000850000-memory.dmp

    Filesize

    1024KB

  • memory/1424-207-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1424-257-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-188-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-260-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-189-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-258-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-186-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1424-190-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-139-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1440-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1440-136-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1440-150-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1440-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2584-153-0x0000000002E70000-0x0000000002F07000-memory.dmp

    Filesize

    604KB

  • memory/2744-135-0x00000000049F0000-0x0000000004B0B000-memory.dmp

    Filesize

    1.1MB

  • memory/2744-134-0x0000000004950000-0x00000000049EF000-memory.dmp

    Filesize

    636KB

  • memory/2780-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-209-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-172-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-171-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-164-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-246-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-156-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-259-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-155-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB